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Finding the Fourth Proportional to 197,251.79, 272,206.83 and 106,607.48

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Solution

The fourth proportional to 197,251.79, 272,206.83 and 106,607.48 is: 147,117.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,251.79 : 272,206.83 = 106,607.48 : x
  2. Step 2: Convert to fraction form
    197,251.79/272,206.83 = 106,607.48/x
  3. Step 3: Cross multiply
    197,251.79x = 272,206.83 × 106,607.48
  4. Step 4: Simplify right side
    197,251.79x = 29,019,284,447.16
  5. Step 5: Solve for x
    x = 29,019,284,447.16/197,251.79
  6. Step 6: Final answer
    x = 147,117.97

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.